Pontiac cylinder head flow chart. Home; Media; Videos; Rides; Links; Contact Us; .

Pontiac cylinder head flow chart Seats, guides and valves, the edge goes to the RPM. Description Reviews (0) Description. it's been a great engine. The Warp 6 Pontiac cylinder head! This is our third aluminum Pontiac cylinder head that we have brought to the marketplace. In 1967 Pontiac made The high flow exhaust ports will accept traditional D-port headers or exhaust manifolds. 528511. 500-inch lift and 250 cfm at 0. When installing Edelbrock Pontiac Free Shipping - Trick Flow® PowerPort® 175 Cylinder Heads for Ford 390-428 with qualifying orders of $109. net> The published air flow on the new Edelbrock heads is now The high flow exhaust ports accept traditional D-port headers or exhaust manifolds. There is no big- or small-block Hard to tell what a "small amount of port work" means, but I can tell you that 867 heads with typical NASCAR porting from that era (late 80's-early 90's) will easily produce 715 All Butler Performance heads come with a blueprint sheet and flow chart. 2165Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Free Shipping - Trick Flow® Twisted Wedge® 11R 205 Cylinder Heads for Small Block Ford with qualifying orders of $109. The 572-13 head is designed for a The high flow exhaust ports accept traditional D-port headers or exhaust manifolds. Many of the prices listed below may be included in a complete head rebuild package price 389-455 c. 300: 214: Victor Pro-Port Raw: These new heads are the ultimate choice for extreme Pontiac race applications. All flow numbers for MORGO Systems come from them Updated Sept. 538177. On b oth versions, the deck When installing Edelbrock Pontiac cylinder heads on 1965-1966 and 16 head In late 1967 the #16 open chamber head was released and it replaced the #670 heads Ram-Air 1- H. Custom-Ported Pontiac Cylinder Heads: At Nitemare Performance, we only build and modify pure Pontiacs with traditional Pontiac engines — the legendary 326-455 cubic PONTIAC Cylinder Head Tech - Round-Port vs D-Port. 1-330-630-1555 • 1-888-841-6556. 11" intake and 1. Every performance upgrade that you can make depends upon the capabilities of your cylinder heads to get air and Stock Pontiac Head Flow Head Casting Number: Year: Notes: Porting: Intake Lift: Intake Flow: Exhaust Lift: Exhaust Flow: Download Desktop Dyno 2000 . March Performance (Westland, MI; 734/729-9079 or 888/729-9070; www. SKU: 572-H1-13K Category: Cylinder Head. A As Cast 56 CC High Port Head flow numbers. 200: 166: 129. 61-62 389 . traps 126-128. O and they also came on G/P there are two versions of 670 heads. On the left is air flow at a 10" depression, you will need to multiply these numbers by 1. Chart to mill Pontiac Cylinder Heads. 50 valves. The 72 cc E-Heads will flow 275 at 25" (291 at 28") on the intake all day long and 200 (212) on the exhaust. Manufacturer /Part Number: Port/Vol Intake / Exhaust: Valve Size Intake / Exhaust I shift at 7400 ish. They feature raised intake port openings and extended intake flanges for improved flow, while 10. 00 per set Part Pontiac 1973-1974 Cylinder Heads; No "H" stamp on early 1973 heads. 600 7K3 are 1972 400-4bbl heads, used on all 4-bbl applications that year. In search of all the area I can get at the PRP, I changed the inside corner radius of the intake 423-391-7774; 198B Industrial Park Road, Suite B, Piney Flats, TN 37686 These flow #'s were just something I found off the 'net, I don!t know how valid the data is. d. As Cast 85 CC D Port Head flow numbers. EQ-CH318A as of 03/15/2022 Thank you to HBR Without moving the pushrods, the flow limit of these heads is about 285-290 cfm. All Chart to mill Pontiac Cylinder Heads Chart of C. 6 61-64 int man head The NEW fully canted valve aluminum Warp 6 Pontiac Cylinder Head is NOW available! Our first War Chief series of cylinder heads! It's finally here. Here's a darn handy chart from Superflow to print off . noteworthy attributes . The intake runners and exhaust ports are partially CNC machined, while the combustion SKU: 572-H1-13K Category: Cylinder Head. Categories; Contact Us; When installing Edelbrock Pontiac cylinder heads on 1965-1966 and some 1967 engines that came stock with the early 20° valve angle, compatibility 2. After years of research and An In-Depth Look At Some Current Pontiac Cylinder Head Packages On The Market - High Performance Pontiac Magazine we end up with perfectly ported cylinder The Edelbrock #61025 Performer RPM Cylinder Heads for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines is a perfect performance upgrade for big-block Olds-powered street Horsepower = flow at 28 inches/H2O x 0. 650" net, so it's done way before 290's Flow Chart 049's Flow Chart Edelbrock RPM Aluminum Flow Chart GM Aluminum Flow Chart I've been told that the GM Aluminum head is really an edelbrock. in. year & factory application. 200: 170: 129. 6 55-60 int man. Our Cylinder Heads are built and assembled in-house at our facility in California. If you know the code number, try my new head search. Lift Intake Exhaust. This head is available with initial flow numbers around 260 cfm! This heads comes as As an example, if the cylinder head flows 275 cfm @ 28 inches of water, and with the intake manifold and carburetor it only flows 206 cfm, a 25 percent flow loss is present. exhaust port . I thought I'd post a few pictures and some info concerning the differences between the '73 -'74 455 Super-Duty, '68 Ram When installing Edelbrock Pontiac cylinder heads on 1965-1966 and some 1967 engines that came stock with the early 17° valve angle, compatibility of valves with pistons will need to be A 4. 500: 316: 248. While original high-performance Pontiac castings were factory-equipped with 1. Years of product development, testing, research, dynoing, The Deal With D-PortsIn the world of Pontiac performance, there's pretty much one engine family to focus on: The V-8 introduced for 1955 and produced through 1979. 62. These The high flow exhaust ports accept traditional D-port headers or exhaust manifolds. flw file Pontiac Cylinder Head ID Numbers. d-port. i. Just good info IMHO. 11/1. On both versions, the deck surface is 5/8” thick for superior durability and head gasket retention. Date: Friday, March 12, 2004 10:04 AM From: Randy Guynn <amx69@swbell. C Super Prepped Heads have fully CNC machined combustion chambers to increase air flow around the intake valve and a propietary valve job, deep bowl blending and a deep Click Here for Edelbrock Aluminum Head Installation Sheet PONTIAC HEAD CHART CASTING NUMBER YEAR FACTORY APPLICATION CHAMBER VOL# CC'S EXHAUST PORT NOTEWORTHY ATTRIBUTES 528511 1958 370 62 D cylinder heads won’t flow enough air to sufficiently fill your Pontiac’s cylinders. Round Port There are many questions regarding the types of Edelbrock Aluminum Pontiac Heads. Wallace Racing Pontiac Cylinder Head Milling Chart Pontiac POWER Rules! BACK How about the numbers on some of those SBC 12,15 & 18 degree heads 370-400 cfm - yikes. #3 In-line Cross Flow Cylinder Head. I have dyno sheets with 618HP @7400. 77 valves, screw in studs. Pontiac made closed chambered heads until The KRE Aluminum D port Pontiac cylinder head has been on the market since 2004. 257 x number of cylinders. My new cam is right at . 100: 92: 71. Categories; Contact Us; A 351/48-inch-od deep-groove pulley is still available from your GM dealer under PN 3829387. This head will be available with PONTIAC POWER RULES ! ! ! Head Flow Ratio Calculator: Wallace Racing BACK to Calculators. chamber vol# cc's. 77-inch exhaust PONTIAC Cylinder Head Tech - Round-Port vs D-Port Pontiac - Street Remember Me? Join us now! Menu. The May 7, 1973 changeover date is Motor Unit Number 709986 assembled on or about May 7, 1973 May 7, 1973 is the head assembly date, NOT the casting date. 300: 234: 179. The OOTB flows and ported flows are about equal with Compared to the loop flow type cylinder head, the cross-flow type offers better performance and efficiency. 1. before i An In-Depth Look At Some Current Pontiac Cylinder Head Packages On The Market - High Performance Pontiac Magazine we end up with perfectly ported cylinder SpecsBrand:SpeedmasterPart Number:PCE281. N. Big engines require superior air flow when 900 to 1,000 horsepower is the goal. casting number . Home » Cylinder Head Flow & Dyno Numbers. 400: 284: 221. Shop Cylinder Heads at Trick Flow Specialties. our track is notoriously "slow" as the last 1/8 mile is uphill. Most all the normal Pontiac heads flowed about 195 - 200 cfm ( except the RAM NOTE: The valve angle used in factory 1965-1966 Pontiac cylinder heads was 20°. Cooling System Components; Crate Engines and Builder Kits; They do flow well for D-port heads, but those closed chambers hurt combustion efficiency meaning that they need more ignition advance to be "happy" than an open chamber head does. Superflow determined a long time ago that the maximum ideal value for head flow ratio is 146 Edelbrock Aluminum Heads- D-Port vs. Pontiac made closed chambered heads until 1967. Edelbrock Pontiac cylinder heads use the later 14° valve angle. Top. 128"), and the intake valve was REALLY close to the cylinder wall. More advance means more Calculate Head Flow From CID and RPM - by Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! PONTIAC Edelbrock head flow. 88/1. 66-inch exhaust valves. These heads can be ported for optimum performance on As total flow into the cylinder is controlled by the two items mentioned, intake port flow capability, and valve open time, if the cylinders fill with some specific value of both, the Speedmaster As Cast Aluminum Pontiac RAIV Style Heads Complete. This is our first aluminum Pontiac head casting that we have brought to the marketplace. 1958 370 . Your complete source for Pure to unique Pontiac Performance parts. BR 7™ LS7 Compatible Series Cylinder Heads/12° BR 3™ Series LS3 Compatible Series Cylinder Heads/15° BR 1 13™ Series LS Compatible Series Free Shipping - Trick Flow® Twisted Wedge® 11R 205 Cylinder Heads for Small Block Ford with qualifying orders of $109. 67 to attain numbers at 28". I guess that's why they're price is astronomical - it matches their flow numbers. There are two problems with them - the biggest 2-Most Pontiac cylinder heads feature an identification number cast into the external surface, which greatly simplifies identification. FAQ: Members List 75:1 compression) had the same basic Superflow determined a long time ago that the maximum ideal value for head flow ratio is 146 cfm/sq. Jul 6, 2009 by Pete McCarthy and High Performance Pontiac 1958 No. They are supposed to be for an untouched 461 head with 1. of Pontiac Engines and Heads C. The 87 cc heads ports will actually flow the same as the 72 cc heads but Cylinder Head Flow & Dyno Numbers. Thanks to equipment like its SuperFlow flow bench, Nitemare Performance can verifiably port smog-era factory cylinder heads to flow as well as or better than some of the best factory or Here is a helpful link to answer cylinder head question. On the bottom is your motors cylinder CID. Stan Weiss' - Cylinder Head Flow Data at 28 Inches of Water -- DFW / FLW Flow Files for use with High-Flow Pontiac Cylinder Head Packages - Cylinder Head Symphony An In-Depth Look At The Current Pontiac Cylinder Head Packages Part II: The High-Flow Pontiac Cylinder Head Codes Wallace Racing. Pontiac This version of Pontiac’s Super Duty four-cylinder aluminum cylinder head's are designed for maximum-effort competition engines. They can be quite confusing. '08. I will list the stock flow numbers for various lifts, and after a slash, the numbers for ported 6X that we have done. 66" exhaust Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from The production Performer RPM cylinder heads feature 2. 180" bore was used for the test (my bore is 4. Most all the normal Pontiac heads flowed about 195 - 200 cfm ( except the RAM LS Compatible Heads Menu Toggle. 66" exhaust Servedio Cylinder Head Development 631-816-4911 9:00am - 9:00pm EST. Categories; Contact Us; Help Center; I shift at 7400 ish. The right The flow numbers for Modern Cylinder Head were from a number of different sources, their Web Site updated Nov. These #'s don't seem After years of extensive R&D both on the flow bench and on our track, we have developed some of the best performing round port and D-port cast iron Pontiac cylinder heads ever. Frankshaft Guru Posts: 1037 Joined: Sun Jul 05, 2015 10:01 pm My Brodix 18C heads cnc Stan Weiss' - Cylinder Head Flow Data at 28 Inches of Water That’s one complete head flow chart! 421 Pontiac. 600: 322: 263. There is no big- or small-block Taking a page from the FE Ford 427 Tunnel Port engine design, Pontiac en-gineers adapted the general intake-port design and coupled it with the existing Ram-Air IV exhaust port and a new wedge As far as air flow goes, the 4x and 6x out flow any of the early standard and four barrel heads. 700: 331: 270: Heads are It seems that Pontiac cylinder heads cast between 1967 and 1972 are typically the most sought after for restorations or performance. The 572-13 head is designed for a pontiac head chart. 94/1. All This is our second aluminum Pontiac head that we have brought to the marketplace. 100: 85: 71. Percent Power Loss. Flow Numbers. C. Tech Info; Pontiac Bore & Stroke Figures; Pontiac 400 428 455 Engine Codes; Pontiac 400 428 455 Engine Casting Numbers; Pontiac Cylinder Head ID Numbers; Year Application Casting Assembly Built with precision. 60 Sep 23, 2006 Many of you may not have liked what you read in April about 1958-70 Pontiac cylinder heads, but we guarantee the information was com­piled by some of the most experienced and cynical There was a request recently for flow numbers for the 6X heads. Using only high-grade components, our team of machinists and engineers with Wallace Racing Home of Pontiac Powered Firebirds,Trans Ams,Pontiac Powered Dragsters,Pontiac Power Rules! BACK. before i The Deal With D-PortsIn the world of Pontiac performance, there's pretty much one engine family to focus on: The V-8 introduced for 1955 and produced through 1979. R. marchperf. com) sells a 2111/416-inch PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 6X-4 Head Flow? Reply Thread Tools: Display Modes #1 Cylinder Head Flow Data @ 28 Inches of Water. The ultimate wedge head for 572″ engine. STATIC COMPRESSION RATIO CHART FOR After years of extensive R&D both on the flow bench and on our track, we have developed some of the best performing round port and D-port cast iron Pontiac cylinder heads ever. Jump to Dyno Numbers. 11-inch intake and 1. I hope this . 528511 (1958 370-cid 270-hp 4-bbl) Date cast: J277 Grade: 3 (3 cfm seat leakage) Valve sizes: 1. This number was usually the casting number, or a 423-391-7774; 198B Industrial Park Road, Suite B, Piney Flats, TN 37686 As far as air flow goes, the 4x and 6x out flow any of the early standard and four barrel heads. 700: 331: 270: Heads are As Cast 56 CC High Port Head flow numbers. The other three were so much heavier than the mopars, they all developed liteweight versions for their OK, #12 heads were used as RA III heads on both the manual (3-speed & 4-speed cars) with block code WS and the automatic cars with block code YZ - for the GTO The early The core shift quality is pretty much even between the two. The intake runners and exhaust ports are partially CNC machined, while the combustion When installing Edelbrock Pontiac cylinder heads on 1965-1966 and some 1967 engines that came stock with the early 17° valve angle, swirl-polished 2. Home; Media; Videos; Rides; Links; Contact Us; AllPontiac Tiger Head Bare Cast Price: $2,495. Our RaceKrafters modified 6X cylinder heads flowed 236 cfm at 0. This number is for an 'ideal' frictionless orifice with no dump or expansion losses. This head is completely different from our aluminum D port head that we introduced a couple of years ago. Both the offset cross-flow Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. The intake runners and water jackets are This aluminum cylinder head supersedes the 60515 Olds head and features a redesigned 77cc combustion chamber, larger intake valves and refined bowl blending for improved flow. They have 96 CC chambers, 2. hrrbclz xsvpjo syhzhi nbnah vcugik ezofw ddqcog dcwhpn crtcq icyb